hydraulic elevator trolley
1Frank J. Sprague — Infobox Scientist name = Frank J. Sprague caption = Frank Julian Sprague (1857 1934) American inventor, Father of Electric Traction birth date = birth date|1857|7|25 birth place = death date = death date and age|1934|10|25|1857|7|25 death place …
2List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
3List of words having different meanings in British and American English: A–L — Differences between American and British English American English …
4canals and inland waterways — ▪ waterway Introduction natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage. Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital …
5Undercarriage — This article is about aircraft landing gear. For the Devin the Dude album, see Landing Gear. Undercarriage Undercarriage of a Boeing 777 300 …
6Niagara Falls — For other uses, see Niagara Falls (disambiguation). Niagara Falls A view of th …
7coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
8V-1 flying bomb — Buzzbomb redirects here. For the song by the Dead Kennedys, see Buzzbomb (song). For other uses, see V1 (disambiguation). V 1 flying bomb Fieseler Fi 103 Flakzielgerät 76 (FZG 76) V 1 flying bomb …
9Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
10Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… …
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